What is the color of the markings indicating a safety zone around fueling areas?

The color red is designated for markings indicating a safety zone around fueling areas due to its established significance as a warning and safety color in various environments, including airports. The use of red is meant to alert vehicle operators and personnel to exercise heightened caution in these critical areas, where hazards associated with flammable fuels may be present. This universal color code helps ensure clear and immediate recognition of safety zones, minimizing the risk of accidents or incidents during fueling operations. Proper understanding and recognition of these markings are essential for maintaining safety standards on the airside, where hazardous situations can arise from human error or environmental factors.